One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,14,12)(11,16,13,15)(17,18,23,24)(19,22,25,20)(21,26,31,32)(27,30,29,28)(1,2,5,7)(3,4,8,6)(18,24)(20,22)(26,32)(28,30)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,15,12,16)(17,19)(18,20)(21,29)(22,24)(23,25)(26,30)(27,31)(28,32)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,16,12,15)(17,20,23,22)(18,25,24,19)(21,28,31,30)(26,29,32,27)(1,3)(2,4)(5,8)(6,7)(9,12,14,10)(11,16,13,15)(17,21)(18,26)(19,27)(20,28)(22,30)(23,31)(24,32)(25,29)(1,4)(2,3)(5,6)(7,8)(9,13,14,11)(10,16,12,15)(17,22,23,20)(18,19,24,25)(21,30,31,28)(26,27,32,29)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.